201989890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{3929}}^1$

素因数の和:4086

約数の個数: 32

約数和(自身を含む): 374356080

約数和(自身を除く): 172366190

約数列:

[1, 2, 5, 10, 53, 97, 106, 194, 265, 485, 530, 970, 3929, 5141, 7858, 10282, 19645, 25705, 39290, 51410, 208237, 381113, 416474, 762226, 1041185, 1905565, 2082370, 3811130, 20198989, 40397978, 100994945, 201989890]

約数ペア:

[(1, 201989890), (2, 100994945), (5, 40397978), (10, 20198989), (53, 3811130), (97, 2082370), (106, 1905565), (194, 1041185), (265, 762226), (485, 416474), (530, 381113), (970, 208237), (3929, 51410), (5141, 39290), (7858, 25705), (10282, 19645)]